Question 1

The subunit of the ATPase embedded in the inner mitochondrial membrane is the:

Accepted Answer

A)  anchor subunit. 
B)  membrane-c ring subunit. 
C)  F0 subunit. 
D)  F1 subunit. 
E)  Fm subunit. 
A)  anchor subunit. 
B)  membrane-c ring subunit. 
C)  F0 subunit. 
D)  F1 subunit. 
E)  Fm subunit.

Question 2

What is the net ATP obtained from 1 cytoplasmic NADH when it is oxidized by the electron-transport chain, using the glycerol 3-phosphate shuttle?

Accepted Answer

A)  2.5 
B)  1.5 
C)  2.0 
D)  1.0 
E)  None of the above. 
A)  2.5 
B)  1.5 
C)  2.0 
D)  1.0 
E)  None of the above.

Question 3

What is the chemical effect of rotenone on aerobic metabolism?

Accepted Answer

A)  The flow of electrons from NADH to CoQ is blocked. 
B)  The flow of electrons from cytochrome a,a3 to oxygen is blocked. 
C)  Oligomycin blocks the proton transfer through F0 of ATP synthase and therefore blocks the phosphorylation of ADP to form ATP. 
D)  The transport of ATP out of and ADP into the mitochondria is blocked. 
E)  Oxidative phosphorylation is uncoupled from electron transport and all the energy is lost as heat. 
A)  The flow of electrons from NADH to CoQ is blocked. 
B)  The flow of electrons from cytochrome a,a3 to oxygen is blocked. 
C)  Oligomycin blocks the proton transfer through F0 of ATP synthase and therefore blocks the phosphorylation of ADP to form ATP. 
D)  The transport of ATP out of and ADP into the mitochondria is blocked. 
E)  Oxidative phosphorylation is uncoupled from electron transport and all the energy is lost as heat.

Question 4

What are the driving force (energetic) costs for the ATP-ADP translocase?

Accepted Answer

A)  Entropy; concentration gradient of ATP 
B)  membrane potential from electron transport 
C)  active transport by Na-K ATPase 
D)  All of the above. 
E)  None of the above. 
A)  Entropy; concentration gradient of ATP 
B)  membrane potential from electron transport 
C)  active transport by Na-K ATPase 
D)  All of the above. 
E)  None of the above.

Question 5

In the malate-aspartate shuttle, electrons from NADH are transferred to _____________, forming malate.

Accepted Answer

A)  oxaloacetate 
B)  aspartate 
C)  acetate 
D)  glutamate 
E)  None of the above. 
A)  oxaloacetate 
B)  aspartate 
C)  acetate 
D)  glutamate 
E)  None of the above.

Question 6

__________________: The number of ATP molecules produced by the transfer of electrons from NADH.

Accepted Answer

The answer of __________________: The number of ATP molecules produced...

Question 7

What is the actual function of the protons in the synthesis of ATP by F0F1 ATP synthase?

Accepted Answer

The proton gradient is necessary for ATP

Question 8

What is the difference in the electron flow during the reoxidation of FADH2 as compared to NADH.

Accepted Answer

Electrons flow from FADH2 to o

Question 9

In the presence of __________________, respiration continues but no ATP is formed.

Accepted Answer

The answer of In the presence of __________________, respiration continues...

Question 10

Choose the correct answer from the list below. Not all of the answers will be used.
-The rotation of the _______________, driven by proton gradient, powers ATP synthesis.

Accepted Answer

A) Peter Mitchell 
B) chemiosmotic theory 
C) binding-change 
D) loose 
E) ATP
F)entropy
G)alpha subunit
H)tight
I)glycerol 3-phosphate
J)c ring
K)ATP-ADP translocase
L)malate-aspartate shuttle
M)Sir Hans Krebs 
A) Peter Mitchell 
B) chemiosmotic theory 
C) binding-change 
D) loose 
E) ATP
F)entropy
G)alpha subunit
H)tight
I)glycerol 3-phosphate
J)c ring
K)ATP-ADP translocase
L)malate-aspartate shuttle
M)Sir Hans Krebs

Question 11

The proton-motive force consist of a(n):

Accepted Answer

A)  chemical gradient. 
B)  proton gradient. 
C)  electron gradient. 
D)  A and B. 
E)  A, B and C. 
A)  chemical gradient. 
B)  proton gradient. 
C)  electron gradient. 
D)  A and B. 
E)  A, B and C.

Question 12

Choose the correct answer from the list below. Not all of the answers will be used.
-_______________ first described the chemiosmotic hypothesis.

Accepted Answer

A) Peter Mitchell 
B) chemiosmotic theory 
C) binding-change 
D) loose 
E) ATP
F)entropy
G)alpha subunit
H)tight
I)glycerol 3-phosphate
J)c ring
K)ATP-ADP translocase
L)malate-aspartate shuttle
M)Sir Hans Krebs 
A) Peter Mitchell 
B) chemiosmotic theory 
C) binding-change 
D) loose 
E) ATP
F)entropy
G)alpha subunit
H)tight
I)glycerol 3-phosphate
J)c ring
K)ATP-ADP translocase
L)malate-aspartate shuttle
M)Sir Hans Krebs

Question 13

The F1 component of ATP synthase is composed of:

Accepted Answer

A)  three alpha subunits. 
B)  three beta subunits. 
C)  a delta subunit. 
D)  All of the above. 
E)  None of the above. 
A)  three alpha subunits. 
B)  three beta subunits. 
C)  a delta subunit. 
D)  All of the above. 
E)  None of the above.

Question 14

What is the relationship between obesity and UCP-1?

Accepted Answer

Obesity leads to a d

Question 15

What was the proof that the ATP synthase was rotating?

Accepted Answer

Using cloned ɑ3β3 subunits, with the β s

Question 16

ATP is transported out of the mitochondria by the antiporter __________________.

Accepted Answer

The answer of ATP is transported out of the mitochondria...

Question 17

The antibiotic __________________ inhibits the flow of protons through ATP synthase.

Accepted Answer

The answer of The antibiotic __________________ inhibits the flow of...

Question 18

Choose the correct answer from the list below. Not all of the answers will be used.
-_______________ is the mechanism for the proton-driven ATP synthesis.

Accepted Answer

A) Peter Mitchell 
B) chemiosmotic theory 
C) binding-change 
D) loose 
E) ATP
F)entropy
G)alpha subunit
H)tight
I)glycerol 3-phosphate
J)c ring
K)ATP-ADP translocase
L)malate-aspartate shuttle
M)Sir Hans Krebs 
A) Peter Mitchell 
B) chemiosmotic theory 
C) binding-change 
D) loose 
E) ATP
F)entropy
G)alpha subunit
H)tight
I)glycerol 3-phosphate
J)c ring
K)ATP-ADP translocase
L)malate-aspartate shuttle
M)Sir Hans Krebs

Question 19

What type of gradient is critical to ATP formation by oxidative phosphorylation?

Accepted Answer

A)  sodium ion 
B)  chloride ion 
C)  proton 
D)  potassium ion 
E)  None of the above. 
A)  sodium ion 
B)  chloride ion 
C)  proton 
D)  potassium ion 
E)  None of the above.

Question 20

Acceptor control of oxidative phosphorylation means that the rate of respiration depends upon the level of __________________.

Accepted Answer

The answer of Acceptor control of oxidative phosphorylation means that...

Exam 21: The Proton-Motive Force

The subunit of the ATPase embedded in the inner mitochondrial membrane is the:

What is the net ATP obtained from 1 cytoplasmic NADH when it is oxidized by the electron-transport chain, using the glycerol 3-phosphate shuttle?

What is the chemical effect of rotenone on aerobic metabolism?

What are the driving force (energetic) costs for the ATP-ADP translocase?

In the malate-aspartate shuttle, electrons from NADH are transferred to _____________, forming malate.

__________________: The number of ATP molecules produced by the transfer of electrons from NADH.

What is the actual function of the protons in the synthesis of ATP by F0F1 ATP synthase?

What is the difference in the electron flow during the reoxidation of FADH2 as compared to NADH.

In the presence of __________________, respiration continues but no ATP is formed.

Choose the correct answer from the list below. Not all of the answers will be used. -The rotation of the _______________, driven by proton gradient, powers ATP synthesis.

The proton-motive force consist of a(n):

Choose the correct answer from the list below. Not all of the answers will be used. -_______________ first described the chemiosmotic hypothesis.

The F1 component of ATP synthase is composed of:

What is the relationship between obesity and UCP-1?

What was the proof that the ATP synthase was rotating?

ATP is transported out of the mitochondria by the antiporter __________________.

The antibiotic __________________ inhibits the flow of protons through ATP synthase.

Choose the correct answer from the list below. Not all of the answers will be used. -_______________ is the mechanism for the proton-driven ATP synthesis.

What type of gradient is critical to ATP formation by oxidative phosphorylation?

Acceptor control of oxidative phosphorylation means that the rate of respiration depends upon the level of __________________.

Biochemistry and the Unity of Life

Water, Weak Bonds, and the Generation of Order Out of Chaos

Amino Acids

Protein Three-Dimensional Structure

Techniques in Protein Biochemistry

Basic Concepts of Enzyme Action

Kinetics and Regulation

Mechanisms and Inhibitors

Hemoglobin: an Allosteric Protein

Carbohydrates

Lipids

Membrane Structure and Function

Signal Transduction Pathways

Digestion: Turning a Meal Into Cellular Biochemicals

Metabolism: Basic Concepts and Design

Glycolysis

Gluconeogenesis

Preparation for the Cycle

Harvesting Electrons From the Cycle

The Electron Transport Chain

The Light Reactions

The Calvin Cycle

Glycogen Degradation

Glycogen Synthesis

The Pentose Phosphate Pathway

Fatty Acid Degredation

Fatty Acid Synthesis

Lipid Synthesis

Amino Acid Degradation and the Urea Cycle

Amino Acids Synthesis

Nucleotide Metabolism

The Structure of Informational Macromolecules: Dna and Rna

DNA Replication

DNA Repair and Recombination

RNA Synthesis and Regulation in Prokaryotes

Gene Expression in Eukaryotes

RNA Processing in Eukaryotes

The Genetic Code

The Mechanism of Protein Synthesis

Recombinant DNA Techniques

Filters

The F₁ component of ATP synthase is composed of: